[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR77]

[Page 672-673]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 77_MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK 
AREAS OF UNDERGROUND COAL MINES--Table of Contents
 
                    Subpart T_Slope and Shaft Sinking
 
Sec.  77.1916  Welding, cutting, and soldering; fire protection.

    (a) One portable fire extinguisher shall be provided where welding, 
cutting, or soldering with arc or flame is performed.
    (b) Welding, cutting, or soldering with arc or flame within or in 
the vicinity of any slope or shaft, except where such operations are 
performed in fireproof enclosures, shall be done under the supervision 
of a qualified person who shall make a diligent search within or in the 
vicinity of the slope or shaft for fire during and after such 
operations.
    (c) Before welding, cutting, or soldering is performed in any slope 
or shaft designed to penetrate into any coalbed below the surface, an 
examination for methane shall be made by a qualified person with a 
device approved by the Secretary for detecting methane. Examination for 
methane shall be made immediately before and periodically during 
welding, cutting, or soldering and such work shall not be permitted to 
commence or continue in air which contains 1.0 volume per centum or more 
of methane.
    (d) Noncombustible barriers shall be installed below welding, 
cutting, or soldering operations in or over a shaft.

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Subpart U--Approved Books and Records [Reserved]